/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System.Collections;
using Spring.Dao.Support;
using Spring.Data.Common;

namespace Spring.Data.Objects;

/// <summary>
/// Place together the mapping logic to a plain .NET object
/// for one result set within the same class.
/// </summary>
/// <author>Mark Pollack (.NET)</author>
public abstract class AdoQuery : AdoOperation
{
    /// <summary>
    /// Initializes a new instance of the <see cref="AdoQuery"/> class.
    /// </summary>
    public AdoQuery()
    {
    }

    public AdoQuery(IDbProvider provider, string sql)
    {
        DbProvider = provider;
        Sql = sql;
    }

    public IList Query()
    {
        return QueryByNamedParam(null);
    }

    public IList QueryByNamedParam(IDictionary inParams)
    {
        return QueryByNamedParam(inParams, null);
    }

    public IList QueryByNamedParam(IDictionary inParams, IDictionary returnedParameters)
    {
        return QueryByNamedParam(inParams, returnedParameters, null);
    }

    public IList QueryByNamedParam(IDictionary inParams, IDictionary returnedParameters, IDictionary callingContext)
    {
        ValidateNamedParameters(inParams);
        IRowMapper rowMapper = NewRowMapper(inParams, callingContext);
        return AdoTemplate.QueryWithCommandCreator(NewCommandCreator(inParams), rowMapper, returnedParameters);
    }

    public object QueryForObject(IDictionary inParams)
    {
        IList results = QueryByNamedParam(inParams);
        return DataAccessUtils.RequiredUniqueResultSet(results);
    }

    public object QueryForObject(IDictionary inParams, IDictionary returnedParameters)
    {
        IList results = QueryByNamedParam(inParams, returnedParameters);
        return DataAccessUtils.RequiredUniqueResultSet(results);
    }

    public object QueryForObject(IDictionary inParams, IDictionary returnedParameters, IDictionary callingContext)
    {
        IList results = QueryByNamedParam(inParams, returnedParameters, callingContext);
        return DataAccessUtils.RequiredUniqueResultSet(results);
    }

    protected abstract IRowMapper NewRowMapper(IDictionary inParams, IDictionary callingContext);
}
